/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#ifndef NODE_CPU_UTILIZATION_RATE_H
#define NODE_CPU_UTILIZATION_RATE_H

#include "base_metrics_collector.h"

namespace functionsystem::runtime_manager {
class NodeCPUUtilizationCollector : public BaseMetricsCollector {
public:
    NodeCPUUtilizationCollector();
    explicit NodeCPUUtilizationCollector(const std::shared_ptr<ProcFSTools> procFSTools);
    std::vector<unsigned long> CalCPUTime(const std::shared_ptr<ProcFSTools> procFSTools) const;
    litebus::Future<Metric> GetUsage() const override;
    Metric GetLimit() const override;
    std::string GenFilter() const override;
private:
    const uint64_t CPU_CAL_INTERVAL_ = 4000;
    const uint64_t UPDATE_CPU_INTERVAL_ = 10;
    const std::size_t MIN_VALID_TIME_ITEM_ = 5;
};
};
#endif // NODE_CPU_UTILIZATION_RATE_H